五年级数学(方程)专项练习题及答案

五年级数学(方程)专项练习题及答案(1)x+96=144(2)x+98=174(3)x+74=129(4)x+70=162(5)x+47=100(6)x+29=40(7)x+80=175(8)x+82=131(9)x+96=112(10)x-26=45(11)x-30=62(12)x-33=41(13)x-28=27(14)x-47=42(15)x-82=11(16)x-28=56(17)x-11=19(18)x-29=56(19)x+8.8=18.3(20)x+1.5=8.2(21)x+4.2=11.1(22)x+5.8=13.1(23)x+7.5=9.7(24)x+2.5=3.3(25)x+3=4.3(26)x+2.6=4.7(27)x+2.9=6.8(28)x-5.6=2.2(29)x-2.8=6.2(30)x-3.3=4(31)x-3=6.1(32)x-2.8=3.2(33)x-1=8.7(34)x-0.5=2(35)x-5.4=2.5(36)x-2.3=6.7(37)72+x=104(38)86+x=132(39)75+x=122(40)57+x=79(41)71+x=109(42)46+x=93(43)95+x=183(44)83+x=87(45)82+x=90(46)75-x=45(47)86-x=22(48)61-x=55(49)21-x=13(50)66-x=48(51)33-x=20(52)37-x=11(53)87-x=80(54)58-x=18(55)9.9+x=16.3(56)4.3+x=5.6(57)3.5+x=6(58)4.5+x=12.2(59)4.6+x=5.9(60)6.8+x=8.5(61)4.1+x=12.9(62)7+x=15.7(63)7.2+x=10.6(64)7-x=5.7(65)8.4-x=3.3(66)3-x=2.4(67)9.9-x=4.1(68)4.5-x=1.3(69)5.6-x=3.7(70)5.8-x=5.3(71)9.2-x=5.1(72)4.4-x=3.2(73)38x=190(74)20x=40(75)54x=108(76)10x=110(77)62x=186(78)35x=140(79)5x=115(80)89x=178(81)8x=128(82)3.9x=11.7(83)0.2x=12.8(84)0.5x=1.5(85)0.3x=8.4(86)4.1x=16.4(87)1.1x=12.1(88)0.8x=3.2(89)0.7x=4.9(90)1.5x=6(91)68x=13.6(92)3x=9.6(93)9x=9(94)8x=7.2(95)5x=2.5(96)5x=17.5(97)2x=16.2(98)3x=0.6(99)7x=16.8(100)80÷x=5(101)112÷x=2(102)108÷x=2(103)190÷x=19(104)186÷x=2(105)72÷x=9(106)12÷x=6(107)45÷x=3(108)108÷x=18(109)19.8÷x=0.3(110)14.4÷x=0.8(111)5.2÷x=0.4(112)18.9÷x=2.1(113)5÷x=0.5(114)8÷x=0.4(115)6÷x=0.3(116)2.4÷x=0.6(117)16÷x=0.4(118)x÷2=45(119)x÷15=13(120)x÷56=2(121)x÷92=2(122)x÷2=12(123)x÷24=4(124)x÷55=2(125)x÷73=2(126)x÷40=2(127)x÷9=0.3(128)x÷6=2.8(129)x÷24=0.7(130)x÷18=0.4(131)x÷2=3.1(132)x÷5=0.5(133)x÷57=0.3(134)x÷52=0.2(135)x÷17=0.6(136)8x+55=87(137)12x+23=47(138)10x+36=186(139)12x+34=178(140)10x+39=189(141)30x+17=197(142)29x+41=99(143)24x+19=211(144)26x+51=103(145)48x-23=169(146)56x-24=88(147)66x-49=149(148)21x-31=53(149)94x-32=156(150)5x-44=146(151)10x-52=118(152)17x-30=21(153)4x-10=22(154)5x+1.4=19.4(155)5x+1.7=21.7(156)16x+2.3=8.7(157)38x+4.7=12.3(158)82x+1.8=18.2(159)4x+1.6=20.8(160)6x+4.1=5.3(161)12x+3.9=19.5(162)13x+4.4=22.6(163)0.2x+1.9=16.7(164)0.3x+3.4=13.6(165)0.5x+4.6=21.6(166)3.1x+2.9=15.3(167)0.7x+3.5=22.4(168)1x+5.7=13.7(169)1.2x+3.7=9.7(170)2.4x+1.4=18.2(171)0.8x+2.9=18.9(172)47x-2.9=11.2(173)15x-1.4=16.6(174)33x-4.4=5.5(175)7x-4.8=11.3(176)3x-2.5=11.6(177)6x-4.1=1.9(178)25x-2.6=2.4(179)43x-2.9=10(180)32x-4.5=1.9(181)1.9x-1.2=2.6(182)0.2x-3.7=13.5(183)0.6x-4.6=13.4(184)1.9x-3.2=13.9(185)4.7x-5.4=13.4(186)6.5x-4.1=15.4(187)4.5x-1.9=16.1(188)2x-1.5=18.5(189)0.2x-1.9=10.7(190)68+51x=170(191)105+29x=250(192)150+26x=332(193)185+7x=269(194)180+3x=207(195)81+4x=145(196)81+2x=239(197)64+2x=162(198)192+5x=347(199)139-46x=47(200)184-7x=30(201)184-19x=108(202)135-61x=13(203)160-8x=72(204)129-2x=93(205)180-2x=16(206)131-2x=73(207)161-2x=133(208)10.9+1.1x=24.1(209)2.8+0.7x=22.4(210)1.2+0.5x=20.7(211)3.4+0.2x=9.8(212)5.1+0.2x=17.7(213)14+5.9x=31.7(214)15.4+0.3x=22.6(215)12.7+2.2x=25.9(216)12.8+1.8x=30.8(217)8.5+17x=13.6(218)7.9+2x=17.3(219)12.4+14x=32(220)10.1+2x=28.5(221)16.8+4x=31.2(222)16.2+36x=23.4(223)10+4x=12.8(224)15.3+2x=19.7(225)14.4+17x=33.1(226)13.5-6.1x=1.3(227)5.1-0.3x=3.6(228)11.3-0.2x=10.1(229)14.6-1x=4.6(230)6.6-0.5x=4.1(231)14.9-2x=6.9(232)16.1-1.3x=10.9(233)5.4-1.1x=3.2(234)12.2-0.9x=7.7(235)15.5-16x=10.7(236)19.4-18x=14(237)19.6-11x=8.6(238)19.3-3x=8.5(239)17.8-57x=6.4(240)13.4-4x=6.6(241)15.5-3x=5.6(242)13.3-4x=11.7(243)15.3-9x=9.9(244)3x÷13=9(245)12x÷9=20(246)10x÷24=5(247)20x÷10=8(248)22x÷66=3(249)8x÷80=2(250)16x÷2=48(251)32x÷24=8(252)3x÷84=2(253)0.2x÷25=0.4(254)1.2x÷30=0.6(255)0.2x÷11=0.4(256)6x÷8=1.5(257)0.2x÷12=0.7(258)0.8x÷26=0.4(259)0.7x÷21=0.6(260)0.9x÷27=0.6(261)2.8x÷14=1.2(262)3x÷33=0.4(263)63x÷21=0.9(264)96x÷16=1.2(265)84x÷28=0.6(266)4x÷13=1.2(267)20x÷5=0.8(268)6x÷2=4.2(269)12x÷3=2.4(270)40x÷8=2.5(271)10x+5x=180(272)15x+11x=182(273)9x+7x=176(274)4x+2x=132(275)7x+6x=247(276)11x+4x=240(277)17x+12x=261(278)4x+2x=18(279)3x+13x=240(280)15x-11x=36(281)17x-9x=32(282)6x-4x=14(283)14x-3x=121(284)5x-3x=70(285)16x-12x=40(286)12x-9x=48(287)6x-3x=63(288)6x-2x=80(289)0.9x+1.3x=59.4(290)0.7x+1.7x=67.2(291)7.3x+0.4x=92.4(292)2.5x+0.4x=58(293)1.9x+8.1x=120(294)0.2x+3.5x=18.5(295)8.2x+6.2x=43.2(296)3.7x+4.4x=72.9(297)4.2x+6.9x=122.1(298)2.1x-0.9x=40.8(299)9.8x-1.3x=59.5(300)9.7x-1.2x=34(301)7.8x-1.5x=63(302)1.6x-0.9x=19.6(303)3.7x-2.1x=41.6(304)6.7x-3.9x=25.2(305)9.7x-9.4x=2.7(306)6.9x-4.5x=28.8(307)7x+9x+20=196(308)5x+16x+4=172(309)16x+8x+11=155(310)15x+7x+15=191(311)3x+12x+13=73(312)14x+11x+19=269(313)10x+3x+18=109(314)4x+5x+31=130(315)8x+10x+12=102(316)16x+19x-29=146(317)14x+15x-38=281(318)4x+6x-16=64(319)5x+8x-20=58(320)4x+17x-12=198(321)14x+6x-42=178(322)6x+2x-13=43(323)2x+9x-5=149(324)16x+13x-49=96(325)5x-2x+5=107(326)11x-4x+23=107(327)7x-4x+27=57(328)9x-7x+25=69(329)9x-5x+14=66(330)17x-8x+23=86(331)19x-14x+4=34(332)7x-4x+34=103(333)13x-9x+8=24(334)17x-10x-47=16(335)5x-2x-14=61(336)7x-2x-18=77(337)14x-3x-43=56(338)16x-4x-7=101(339)6x-3x-25=29(340)15x-12x-5=28(341)11x-9x-3=17(342)8x-3x-22=78(343)1.5x+1.2x+4=171.4(344)6.1x+0.2x+4.7=86.6(345)4.5x+0.9x+1.1=17.3(346)4.9x+3.6x+4.4=89.4(347)1.8x+7.9x+1.2=30.3(348)3.2x+2.1x+0.8=106.8(349)8.7x+9.4x+2.1=165(350)6x+8.5x+0.9=145.9(351)3x+4.7x+4.4=135.3(352)2x+30x+3.9=90.3(353)2x+71x+4.1=47.9(354)63x+59x+4=101.6(355)16x+18x+1=133.6(356)6x+26x+1.7=120.1(357)55x+2x+4.3=89.8(358)18x+13x+3.5=22.1(359)14x+53x+3.5=70.5(360)18x+5x+1=49.3(361)0.4x+4.2x-1.7=48.9(362)0.5x+0.6x-4.4=7.7(363)5.4x+4.8x-0.5=183.1(364)1.9x+1.3x-4.7=1.7(365)1.4x+1.6x-4.2=112.8(366)7.6x+2x-4.9=52.7(367)4.1x+1.6x-0.8=22(368)7.4x+0.4x-2.1=60.3(369)1.5x+4x-0.3=93.2(370)14x+87x-2.9=47.6(371)76x+40x-2.2=67.4(372)17x+12x-4.3=4.4(373)12x+47x-4.6=107.5(374)78x+58x-2.9=65.1(375)83x+28x-2.7=86.1(376)45x+85x-3.1=87.9(377)24x+21x-3.7=72.8(378)19x+10x-1.2=10.4(379)6x-3.4x+2.5=41.5(380)6x-3.5x+0.7=13.2(381)8.8x-6.4x+2.7=19.5(382)4.1x-2.3x+2.3=13.1(383)2.5x-1.5x+4.6=13.6(384)2x-1.8x+3.9=12.5(385)5x-1.8x+3.4=64.2(386)6.5x-1.2x+4.8=84.3(387)6.3x-1.6x+2.7=68.5(388)56x-14x+2.8=23.8(389)40x-9x+0.5=9.8(390)23x-10x+1=40(391)41x-33x+4.1=18.5(392)30x-7x+2.8=41.9(393)28x-14x+3.5=25.9(394)35x-27x+1.8=4.2(395)28x-4x+0.7=31.9(396)99x-80x+2=21(397)4.4x-1.1x-4.4=61.6(398)3.3x-1.3x-4.1=3.9(399)7.9x-6.9x-0.2=11.8(400)6.2x-5.2x-1.6=7.4(401)4.1x-2.9x-4.9=13.1(402)1.1x-0.3x-2.9=41.9(403)7.1x-4.7x-3.6=22.8(404)2.1x-1.2x-0.8=25.3(405)4.9x-4x-0.2=16.9(406)24x-7x-1.9=59.3(407)28x-19x-2.7=11.7(408)65x-57x-3.1=6.5(409)38x-2x-4.2=85.8(410)73x-17x-3.5=69.3(411)70x-3x-0.6=53(412)80x-65x-0.7=9.8(413)73x-43x-0.9=20.1(414)50x-26x-4.6=2.6(415)3x+2×88=212(416)17x+5×32=347(417)4x+34×4=224(418)2x+4×13=76(419)3x+3×34=273(420)26x+64×2=284(421)3x+3×35=246(422)9x+2×56=283(423)4x+6×2=92(424)25x-2×24=77(425)6x-16×8=46(426)10x-3×45=35(427)4x-7×2=86(428)10x-7×9=17(429)6x-18×6=90(430)4x-3×17=105(431)2x-7×15=37(432)3x-3×21=12(433)4.3x+0.2×10=10.6(434)1.6x+1.9×4=12.4(435)1.9x+0.3×41=25.6(436)0.7x+1.4×6=21(437)0.9x+0.6×2=19.2(438)3.9x+0.5×38=30.7(439)0.8x+0.4×22=26.4(440)0.8x+3.4×4=27.2(441)0.3x+0.8×5=14.5(442)3x+13×0.8=17.9(443)4x+4×4.3=20.4(444)49x+45×0.2=28.6(445)35x+5×2.8=21(446)4x+5×1.4=21.8(447)22x+14×1.1=22(448)4x+8×2.4=23.2(449)34x+8×2.1=30.4(450)18x+10×0.4=11.2(451)1.2x-1.2×4=10.8(452)1.2x-0.3×21=3.3(453)2.8x-0.4×20=8.8(454)2.6x-1.9×3=9.9(455)0.6x-1.6×5=8.2(456)0.4x-0.8×16=6.4(457)3.8x-1.8×2=4(458)0.2x-0.2×6=3.2(459)1.7x-1.3×4=1.6(460)7x-44×0.2=8(461)6x-6×2.4=3.6(462)14x-5×0.6=15.2(463)31x-20×0.5=2.4(464)4x-2×1.1=7.8(465)13x-14×0.7=8.4(466)18x-2×4.5=10.8(467)3x-2×3.6=4.2(468)8x-8×1.6=3.2(469)4(4x+34)=184(470)10(x+7)=90(471)4(13x+10)=144(472)2(5x+20)=90(473)4(6x+3)=108(474)5(x+32)=170(475)7(x+7)=196(476)2(x+47)=158(477)2(7x+36)=142(478)2(8x-16)=64(479)6(10x-9)=186(480)3(2x-6)=102(481)10(x-8)=200(482)2(7x-40)=172(483)2(5x-6)=88(484)17(4x-22)=170(485)2(2x-23)=110(486)5(7x-6)=180(487)4(0.6x+1.7)=45.2(488)7(0.2x+2.4)=30.8(489)3(2.4x+5.5)=38.1(490)2(0.5x+6.9)=16.8(491)9(0.4x+2.7)=38.7(492)3(1.6x+4.8)=48(493)4(0.2x+3.9)=27.6(494)2(6.3x+5.8)=36.8(495)8(0.2x+1.2)=25.6(496)10(0.8x-9.9)=21(497)2(2x-0.5)=11(498)28(0.3x-6.3)=42(499)2(2.2x-8.3)=9.8(500)7(4.8x-8.1)=10.5(501)4(1.9x-8.2)=20.4(502)5(1.1x-9.1)=9.5(503)3(0.8x-0.5)=22.5(504)2(6.6x-2.4)=21.6(505)(18x+14)÷5=28(506)(2x+11)÷3=7(507)(11x+22)÷22=8(508)(19x+43)÷2=50(509)(4x+27)÷3=21(510)(x+20)÷12=4(511)(2x+42)÷22=3(512)(19x+42)÷2=116(513)(5x+6)÷2=58(514)(9x-44)÷7=31(515)(7x-30)÷2=13(516)(16x-38)÷2=109(517)(6x-34)÷2=46(518)(3x-3)÷3=23(519)(10x-20)÷10=6(520)(11x-30)÷19=10(521)(2x-22)÷3=4(522)(10x-36)÷4=61(523)(5.6x+5)÷2=41.7(524)(3.1x+5.7)÷16=2.1(525)(8.2x+7.1)÷37=1.3(526)(8.6x+0.8)÷2=21.9(527)(2.9x+8.2)÷13=4.2(528)(1.1x+0.4)÷12=1.5(529)(5.9x+9.4)÷2=28.3(530)(2.3x+3)÷37=1.2(531)(5.3x+4.1)÷11=7.6(532)(4.5x-2.7)÷11=1.8(533)(3.8x-9.2)÷20=0.3(534)(9.6x-9.5)÷7=5.5(535)(2.4x-3)÷2=16.5(536)(1.1x-9.3)÷6=1.2(537)(2.7x-9.3)÷14=0.3(538)(6.1x-6.4)÷17=0.7(539)(5.1x-0.9)÷27=2.8(540)(3x-4.2)÷18=2.6参考答案(1)x=48(2)x=76(3)x=55(4)x=92(5)x=53(6)x=11(7)x=95(8)x=49(9)x=16(10)x=71(11)x=92(12)x=74(13)x=55(14)x=89(15)x=93(16)x=84(17)x=30(18)x=85(19)x=9.5(20)x=6.7(21)x=6.9(22)x=7.3(23)x=2.2(24)x=0.8(25)x=1.3(26)x=2.1(27)x=3.9(28)x=7.8(29)x=9(30)x=7.3(31)x=9.1(32)x=6(33)x=9.7(34)x=2.5(35)x=7.9(36)x=9(37)x=32(38)x=46(39)x=47(40)x=22(41)x=38(42)x=47(43)x=88(44)x=4(45)x=8(46)x=30(47)x=64(48)x=6(49)x=8(50)x=18(51)x=13(52)x=26(53)x=7(54)x=40(55)x=6.4(56)x=1.3(57)x=2.5(58)x=7.7(59)x=1.3(60)x=1.7(61)x=8.8(62)x=8.7(63)x=3.4(64)x=1.3(65)x=5.1(66)x=0.6(67)x=5.8(68)x=3.2(69)x=1.9(70)x=0.5(71)x=4.1(72)x=1.2(73)x=5(74)x=2(75)x=2(76)x=11(77)x=3(78)x=4(79)x=23(80)x=2(81)x=16(82)x=3(83)x=64(84)x=3(85)x=28(86)x=4(87)x=11(88)x=4(89)x=7(90)x=4(91)x=0.2(92)x=3.2(93)x=1(94)x=0.9(95)x=0.5(96)x=3.5(97)x=8.1(98)x=0.2(99)x=2.4(100)x=16(101)x=56(102)x=54(103)x=10(104)x=93(105)x=8(106)x=2(107)x=15(108)x=6(109)x=66(110)x=18(111)x=13(112)x=9(113)x=10(114)x=20(115)x=20(116)x=4(117)x=40(118)x=90(119)x=195(120)x=112(121)x=184(122)x=24(123)x=96(124)x=110(125)x=146(126)x=80(127)x=2.7(128)x=16.8(129)x=16.8(130)x=7.2(131)x=6.2(132)x=2.5(133)x=17.1(134)x=10.4(135)x=10.2(136)x=4(137)x=2(138)x=15(139)x=12(140)x=15(141)x=6(142)x=2(143)x=8(144)x=2(145)x=4(146)x=2(147)x=3(148)x=4(149)x=2(150)x=38(151)x=17(152)x=3(153)x=8(154)x=3.6(155)x=4(156)x=0.4(157)x=0.2(158)x=0.2(159)x=4.8(160)x=0.2(161)x=1.3(162)x=1.4(163)x=74(164)x=34(165)x=34(166)x=4(167)x=27(168)x=8(169)x=5(170)x=7(171)x=20(172)x=0.3(173)x=1.2(174)x=0.3(175)x=2.3(176)x=4.7(177)x=1(178)x=0.2(179)x=0.3(180)x=0.2(181)x=2(182)x=86(183)x=30(184)x=9(185)x=4(186)x=3(187)x=4(188)x=10(189)x=63(190)x=2(191)x=5(192)x=7(193)x=12(194)x=9(195)x=16(196)x=79(197)x=49(198)x=31(199)x=2(200)x=22(201)x=4(202)x=2(203)x=11(204)x=18(205)x=82(206)x=29(207)x=14(208)x=12(209)x=28(210)x=39(211)x=32(212)x=63(213)x=3(214)x=24(215)x=6(216)x=10(217)x=0.3(218)x=4.7(219)x=1.4(220)x=9.2(221)x=3.6(222)x=0.2(223)x=0.7(224)x=2.2(225)x=1.1(226)x=2(227)x=5(228)x=6(229)x=10(230)x=5(231)x=4(232)x=4(233)x=2(234)x=5(235)x=0.3(236)x=0.3(237)x=1(238)x=3.6(239)x=0.2(240)x=1.7(241)x=3.3(242)x=0.4(243)x=0.6(244)x=39(245)x=15(246)x=12(247)x=4(248)x=9(249)x=20(250)x=6(251)x=6(252)x=56(253)x=50(254)x=15(255)x=22(256)x=2(257)x=42(258)x=13(259)x=18(260)x=18(261)x=6(262)x=4.4(263)x=0.3(264)x=0.2(265)x=0.2(266)x=3.9(267)x=0.2(268)x=1.4(269)x=0.6(270)x=0.5(271)x=12(272)x=7(273)x=11(274)x=22(275)x=19(276)x=16(277)x=9(278)x=3(279)x=15(280)x=9(281)x=4(282)x=7(283)x=11(284)x=35(285)x=10(286)x=16(287)x=21(288)x=20(289)x=27(290)x=28(291)x=12(292)x=20(293)x=12(294)x=5(295)x=3(296)x=9(297)x=11(298)x=34(299)x=7(300)x=4(301)x=10(302)x=28(303)x=26(304)x=9(305)x=9(306)x=12(307)x=11(308)x=8(309)x=6(310)x=8(311)x=4(312)x=10(313)x=7(314)x=11(315)x=5(316)x=5(317)x=11(318)x=8(319)x=6(320)x=10(321)x=11(322)x=7(323)x=14(324)x=5(325)x=34(326)x=12(327)x=10(328)x=22(329)x=13(330)x=7(331)x=6(332)x=23(333)x=4(334)x=9(335)x=25(336)x=19(337)x=9(338)x=9(339)x=18(340)x=11(341)x=10(342)x=20(343)x=62(344)x=13(345)x=3(346)x=10(347)x=3(348)x=20(349)x=9(350)x=10(351)x=17(352)x=2.7(353)x=0.6(354)x=0.8(355)x=3.9(356)x=3.7(357)x=1.5(358)x=0.6(359)x=1(360)x=2.1(361)x=11(362)x=11(363)x=18(364)x=2(365)x=39(366)x=6(367)x=4(368)x=8(369)x=17(370)x=0.5(371)x=0.6(372)x=0.3(373)x=1.9(374)x=0.5(375)x=0.8(376)x=0.7(377)x=1.7(378)x=0.4(379)x=15(380)x=5(381)x=7(382)x=6(383)x=9(384)x=43(385)x=19(386)x=15(387)x=14(388)x=0.5(389)x=0.3(390)x=3(391)x=1.8(3